Stay powered up anywhere with the Milwaukee L4B2 REDLITHIUM™ Ion USB Battery 4V, a premium solution in the BATTERY & CHARGER category. Designed for portability and reliability, this compact USB rechargeable battery delivers consistent performance for Milwaukee USB tools, making it the perfect choice for professionals and DIY enthusiasts alike.
Equipped with REDLITHIUM™ technology, the L4B2 battery provides long-lasting power while protecting against overcharge, overheat, and over-discharge. Its lightweight and compact design makes it easy to carry, swap between tools, and charge on the go—whether on a job site, at home, or in your vehicle. The integrated fuel gauge ensures you can always monitor remaining charge, reducing downtime and improving efficiency.
Offering high-quality performance at an affordable price, this battery delivers excellent value by combining durability, convenience, and extended runtime—all in a reliable and portable package.
